[GHC] #5173: Implement forward substitution of constants in the Cmm mini-inliner

[GHC]

#5173: Implement forward substitution of constants in the Cmm mini-inliner
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    Reporter:  tibbe             |       Owner:              
        Type:  bug               |      Status:  patch       
    Priority:  normal            |   Component:  Compiler    
     Version:  7.0.3             |    Keywords:              
    Testcase:                    |   Blockedby:              
          Os:  Unknown/Multiple  |    Blocking:              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown
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Changes (by tibbe):

  * status:  new => patch


Comment:

 I've updated the implementation to also remove the dead binding. Please
 review.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5173#comment:2>
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